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Product Display

ESS BMS
EV BMS
Intelligent BMS
Energy Storage System
Qualtech QT-SEMU-5819B Battery Management System Display and Control Unit

Qualtech QT-SEMU-5819B Battery Manage...

QT-SEMU-5819B is an advanced battery management sy...
Qualtech SBMU Series Passive Balancing Battery Management System Slave Units

Qualtech SBMU Series Passive Balancin...

The Qualtech SBMU series consists of high-performa...
QUALTECH Automotive-Grade BMS Slave Unit

QUALTECH Automotive-Grade BMS Slave Unit

● MCU: S32K312/NXP, 120MHz, 2M Flash, ASIL B● AFE:...
QUALTECH Automotive-grade 1500V BMS Master Controller

QUALTECH Automotive-grade 1500V BMS M...

●Supports 1500V total voltage and insulation resis...
QT-PBMS-24S150Z0 Smart BMS – 24S Li-ion for Electric Scooters & Tricycles

QT-PBMS-24S150Z0 Smart BMS – 24S Li-i...

All-in-one BMS with voltage, temp & current sensin...
PBMS-48100 Smart Li-ion BMS – 16S LiFePO4 for Home Storage

PBMS-48100 Smart Li-ion BMS – 16S LiF...

Core Selling PointsThe PBMS-48100 Smart Lithium-io...
Mobile Energy Storage Vehicle – Truck-Mounted BESS for Temporary & Emergency Power

Mobile Energy Storage Vehicle – Truck...

Truck-mounted mobile BESS for off-grid & emergency...
Standard Container Energy Storage – 314Ah Immersion-Cooled for Grid & C&I

Standard Container Energy Storage – 3...

314Ah large-format immersion-cooled container ener...

About US

ZheJiang Qualtech Co., Ltd. (referred to as Qualtech) was established in 2011 and is headquartered in Hangzhou, Zhejiang. It is a national high-tech enterprise, the third batch of specialized, refined, and new "little giant" enterprises by the Ministry of Industry and Information Technology, and currently a leading enterprise in both the new energy vehicle BMS and energy storage BMS sub markets in China.
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  • 2011 years
    Established in 2011
  • 400 +
    Employee 300+
  • 130 +
    Intellectual Property 130+
  • 1000 +
    Customer service 1000+

Total Solution

Industry Applications

Microgrid System

Tianhe Casting provides one-stop aluminum and iron die-casting services including mold and forming design, die-casting, CNC machining, and precision processing.

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Applications

Industry Applications

Integrated Light Storage And Charging

Tianhe Casting provides one-stop aluminum and iron die-casting services including mold and forming design, die-casting, CNC machining, and precision processing.

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Applications

Industry Applications

Industry System Solution

Tianhe Casting provides one-stop aluminum and iron die-casting services including mold and forming design, die-casting, CNC machining, and precision processing.

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Latest news

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  • How Does a Battery Management System Work in a BESS?

    How Does a Battery Management System Work in a ...

    A Battery Energy Storage System is more than a group of batteries connected together. Behind the battery cells, there is a control system that co...
    Read more
    30 September 2026
  • Advancing Energy Storage Innovation, Empowering Green Computing | Qualtech Showcases at the 2026 ESG Innovation Annual Conference

    Advancing Energy Storage Innovation, Empowering...

    Qualtech was invited to attend the conference. Addressing industry pain points and market deployment needs in the context of dual-carbon goals, t...
    Read more
    22 September 2026
  • Qualtech Showcases Full-Stack Solutions at WBE Asia-Pacific 2026, Connecting Global Markets

    Qualtech Showcases Full-Stack Solutions at WBE ...

    As one of the few companies in China holding a leading position in both the new energy vehicle BMS and energy storage BMS segments, Qualtech show...
    Read more
    20 September 2026
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